157974674 has 32 divisors (see below), whose sum is σ = 279224064. Its totient is φ = 66084480.

The previous prime is 157974673. The next prime is 157974697. The reversal of 157974674 is 476479751.

157974674 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157974673) 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, 131822 + ... + 133014.

It is an arithmetic number, because the mean of its divisors is an integer number (8725752).

Almost surely, 2^157974674 is an apocalyptic number.

157974674 is a deficient number, since it is larger than the sum of its proper divisors (121249390).

157974674 is a wasteful number, since it uses less digits than its factorization.

157974674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682.

The product of its digits is 1481760, while the sum is 50.

The square root of 157974674 is about 12568.7976354145. The cubic root of 157974674 is about 540.5831309261.

The spelling of 157974674 in words is "one hundred fifty-seven million, nine hundred seventy-four thousand, six hundred seventy-four".