74157046 has 4 divisors (see below), whose sum is σ = 111235572. Its totient is φ = 37078522.

The previous prime is 74157001. The next prime is 74157059. The reversal of 74157046 is 64075147.

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: 64075147 = 47 ⋅1363301.

It is a super-2 number, since 2×74157046² = 10998534942892232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18539260 + ... + 18539263.

It is an arithmetic number, because the mean of its divisors is an integer number (27808893).

Almost surely, 2^74157046 is an apocalyptic number.

74157046 is a deficient number, since it is larger than the sum of its proper divisors (37078526).

74157046 is a wasteful number, since it uses less digits than its factorization.

74157046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37078525.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 74157046 is about 8611.4485424927. The cubic root of 74157046 is about 420.1304319011.

The spelling of 74157046 in words is "seventy-four million, one hundred fifty-seven thousand, forty-six".