74297146 has 48 divisors (see below), whose sum is σ = 142490880. Its totient is φ = 28432800.

The previous prime is 74297143. The next prime is 74297183. The reversal of 74297146 is 64179247.

It is a junction number, because it is equal to n+sod(n) for n = 74297099 and 74297108.

It is not an unprimeable number, because it can be changed into a prime (74297141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102975 + ... + 103693.

It is an arithmetic number, because the mean of its divisors is an integer number (2968560).

Almost surely, 2^74297146 is an apocalyptic number.

74297146 is a deficient number, since it is larger than the sum of its proper divisors (68193734).

74297146 is a wasteful number, since it uses less digits than its factorization.

74297146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 800 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 74297146 is about 8619.5792240689. The cubic root of 74297146 is about 420.3948403361.

The spelling of 74297146 in words is "seventy-four million, two hundred ninety-seven thousand, one hundred forty-six".