74989950 has 48 divisors (see below), whose sum is σ = 212545920. Its totient is φ = 17140320.

The previous prime is 74989927. The next prime is 74989963. The reversal of 74989950 is 5998947.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74989893 and 74989902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34660 + ... + 36759.

It is an arithmetic number, because the mean of its divisors is an integer number (4428040).

Almost surely, 2^74989950 is an apocalyptic number.

74989950 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74989950 is an abundant number, since it is smaller than the sum of its proper divisors (137555970).

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

74989950 is a wasteful number, since it uses less digits than its factorization.

74989950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71441 (or 71436 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 74989950 is about 8659.6737813846. The cubic root of 74989950 is about 421.6974951466.

The spelling of 74989950 in words is "seventy-four million, nine hundred eighty-nine thousand, nine hundred fifty".