74612473600 has 216 divisors, whose sum is σ = 213442901280. Its totient is φ = 25292636160.

The previous prime is 74612473571. The next prime is 74612473627. The reversal of 74612473600 is 637421647.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3977844 + ... + 3996556.

It is an arithmetic number, because the mean of its divisors is an integer number (988161580).

Almost surely, 2^74612473600 is an apocalyptic number.

74612473600 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74612473600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106721450640).

74612473600 is an abundant number, since it is smaller than the sum of its proper divisors (138830427680).

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

74612473600 is a wasteful number, since it uses less digits than its factorization.

74612473600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18835 (or 18816 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 74612473600 in words is "seventy-four billion, six hundred twelve million, four hundred seventy-three thousand, six hundred".