74872836 has 60 divisors (see below), whose sum is σ = 196978320. Its totient is φ = 24798960.

The previous prime is 74872801. The next prime is 74872871. The reversal of 74872836 is 63827847.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74872801) and next prime (74872871).

It is a junction number, because it is equal to n+sod(n) for n = 74872791 and 74872800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57351 + ... + 58641.

It is an arithmetic number, because the mean of its divisors is an integer number (3282972).

Almost surely, 2^74872836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74872836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98489160).

74872836 is an abundant number, since it is smaller than the sum of its proper divisors (122105484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74872836 is a wasteful number, since it uses less digits than its factorization.

74872836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486 (or 1475 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 74872836 is about 8652.9091061908. The cubic root of 74872836 is about 421.4778549934.

The spelling of 74872836 in words is "seventy-four million, eight hundred seventy-two thousand, eight hundred thirty-six".