696742620 has 96 divisors (see below), whose sum is σ = 2360752128. Its totient is φ = 149885952.

The previous prime is 696742601. The next prime is 696742649. The reversal of 696742620 is 26247696.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41652 + ... + 55931.

It is an arithmetic number, because the mean of its divisors is an integer number (24591168).

Almost surely, 2^696742620 is an apocalyptic number.

696742620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

696742620 is an abundant number, since it is smaller than the sum of its proper divisors (1664009508).

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

696742620 is a wasteful number, since it uses less digits than its factorization.

696742620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97619 (or 97617 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 696742620 is about 26395.8826334715. The cubic root of 696742620 is about 886.5246023987.

The spelling of 696742620 in words is "six hundred ninety-six million, seven hundred forty-two thousand, six hundred twenty".