696219972 has 96 divisors (see below), whose sum is σ = 2019080448. Its totient is φ = 182145024.

The previous prime is 696219971. The next prime is 696219973. The reversal of 696219972 is 279912696.

It is an interprime number because it is at equal distance from previous prime (696219971) and next prime (696219973).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (696219971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46248 + ... + 59424.

It is an arithmetic number, because the mean of its divisors is an integer number (21032088).

Almost surely, 2^696219972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 696219972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009540224).

696219972 is an abundant number, since it is smaller than the sum of its proper divisors (1322860476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

696219972 is a wasteful number, since it uses less digits than its factorization.

696219972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13245 (or 13243 counting only the distinct ones).

The product of its digits is 734832, while the sum is 51.

The square root of 696219972 is about 26385.9805957633. The cubic root of 696219972 is about 886.3028771873.

The spelling of 696219972 in words is "six hundred ninety-six million, two hundred nineteen thousand, nine hundred seventy-two".