374474742957 has 30 divisors (see below), whose sum is σ = 631021778062. Its totient is φ = 213985555056.

The previous prime is 374474742947. The next prime is 374474743001. The reversal of 374474742957 is 759247474473.

It is a happy number.

374474742957 is a `hidden beast` number, since 3 + 7 + 4 + 474 + 74 + 2 + 95 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 197474473161 + 177000269796 = 444381^2 + 420714^2 .

It is not a de Polignac number, because 374474742957 - 2⁸ = 374474742701 is a prime.

It is a super-2 number, since 2×374474742957² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 374474742894 and 374474742903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374474742907) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 8643178 + ... + 8686395.

Almost surely, 2^374474742957 is an apocalyptic number.

It is an amenable number.

374474742957 is a deficient number, since it is larger than the sum of its proper divisors (256547035105).

374474742957 is an equidigital number, since it uses as much as digits as its factorization.

374474742957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17329607 (or 17329583 counting only the distinct ones).

The product of its digits is 165957120, while the sum is 63.

The spelling of 374474742957 in words is "three hundred seventy-four billion, four hundred seventy-four million, seven hundred forty-two thousand, nine hundred fifty-seven".