697020948 has 72 divisors (see below), whose sum is σ = 1948776648. Its totient is φ = 208666368.

The previous prime is 697020937. The next prime is 697020949. The reversal of 697020948 is 849020796.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 240002064 + 457018884 = 15492^2 + 21378^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697020949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2811 + ... + 37442.

Almost surely, 2^697020948 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 697020948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974388324).

697020948 is an abundant number, since it is smaller than the sum of its proper divisors (1251755700).

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

697020948 is a wasteful number, since it uses less digits than its factorization.

697020948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40313 (or 40308 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 697020948 is about 26401.1542929471. The cubic root of 697020948 is about 886.6426334401.

The spelling of 697020948 in words is "six hundred ninety-seven million, twenty thousand, nine hundred forty-eight".