74256227970 has 64 divisors (see below), whose sum is σ = 191514658176. Its totient is φ = 18358686720.

The previous prime is 74256227963. The next prime is 74256227971. The reversal of 74256227970 is 7972265247.

It is a super-2 number, since 2×74256227970² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74256227971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1052401 + ... + 1120740.

It is an arithmetic number, because the mean of its divisors is an integer number (2992416534).

Almost surely, 2^74256227970 is an apocalyptic number.

74256227970 is an abundant number, since it is smaller than the sum of its proper divisors (117258430206).

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

74256227970 is a wasteful number, since it uses less digits than its factorization.

74256227970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173235.

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 74256227970 in words is "seventy-four billion, two hundred fifty-six million, two hundred twenty-seven thousand, nine hundred seventy".