74699366400 has 1008 divisors, whose sum is σ = 295785235200. Its totient is φ = 18632540160.

The previous prime is 74699366377. The next prime is 74699366429. The reversal of 74699366400 is 466399647.

It is a super-2 number, since 2×74699366400² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 71 ways as a sum of consecutive naturals, for example, 945561561 + ... + 945561639.

Almost surely, 2^74699366400 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 74699366400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147892617600).

74699366400 is an abundant number, since it is smaller than the sum of its proper divisors (221085868800).

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

74699366400 is an equidigital number, since it uses as much as digits as its factorization.

74699366400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 74699366400 in words is "seventy-four billion, six hundred ninety-nine million, three hundred sixty-six thousand, four hundred".