74798812 has 18 divisors (see below), whose sum is σ = 143880464. Its totient is φ = 33999240.

The previous prime is 74798807. The next prime is 74798813. The reversal of 74798812 is 21889747.

It is a super-2 number, since 2×74798812² = 11189724553222688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74798813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76788 + ... + 77755.

Almost surely, 2^74798812 is an apocalyptic number.

It is an amenable number.

74798812 is a deficient number, since it is larger than the sum of its proper divisors (69081652).

74798812 is a wasteful number, since it uses less digits than its factorization.

74798812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154569 (or 154556 counting only the distinct ones).

The product of its digits is 225792, while the sum is 46.

The square root of 74798812 is about 8648.6306430556. The cubic root of 74798812 is about 421.3389093447.

The spelling of 74798812 in words is "seventy-four million, seven hundred ninety-eight thousand, eight hundred twelve".