374528731 has 4 divisors (see below), whose sum is σ = 374814000. Its totient is φ = 374243464.

The previous prime is 374528647. The next prime is 374528743. The reversal of 374528731 is 137825473.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137825473 = 31 ⋅4445983.

It is a cyclic number.

It is not a de Polignac number, because 374528731 - 2¹³ = 374520539 is a prime.

It is a super-2 number, since 2×374528731² = 280543540688940722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (374526731) 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 3 ways as a sum of consecutive naturals, for example, 140656 + ... + 143293.

It is an arithmetic number, because the mean of its divisors is an integer number (93703500).

Almost surely, 2^374528731 is an apocalyptic number.

374528731 is a deficient number, since it is larger than the sum of its proper divisors (285269).

374528731 is a wasteful number, since it uses less digits than its factorization.

374528731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285268.

The product of its digits is 141120, while the sum is 40.

The square root of 374528731 is about 19352.7447924061. The cubic root of 374528731 is about 720.8225751818.

The spelling of 374528731 in words is "three hundred seventy-four million, five hundred twenty-eight thousand, seven hundred thirty-one".