356742738 has 32 divisors (see below), whose sum is σ = 864832320. Its totient is φ = 108103680.

The previous prime is 356742731. The next prime is 356742797. The reversal of 356742738 is 837247653.

It is a super-2 number, since 2×356742738² = 254530762231473288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 356742693 and 356742702.

It is not an unprimeable number, because it can be changed into a prime (356742731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299695 + ... + 300882.

It is an arithmetic number, because the mean of its divisors is an integer number (27026010).

Almost surely, 2^356742738 is an apocalyptic number.

356742738 is an abundant number, since it is smaller than the sum of its proper divisors (508089582).

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

356742738 is a wasteful number, since it uses less digits than its factorization.

356742738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600599 (or 600593 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 356742738 is about 18887.6345263244. The cubic root of 356742738 is about 709.2266511782.

The spelling of 356742738 in words is "three hundred fifty-six million, seven hundred forty-two thousand, seven hundred thirty-eight".