70421172400 has 60 divisors (see below), whose sum is σ = 170164992672. Its totient is φ = 28005617920.

The previous prime is 70421172397. The next prime is 70421172401. The reversal of 70421172400 is 427112407.

It is not an unprimeable number, because it can be changed into a prime (70421172401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439624 + ... + 578023.

Almost surely, 2^70421172400 is an apocalyptic number.

It is an amenable number.

70421172400 is an abundant number, since it is smaller than the sum of its proper divisors (99743820272).

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

70421172400 is a wasteful number, since it uses less digits than its factorization.

70421172400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017838 (or 1017827 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

Adding to 70421172400 its reverse (427112407), we get a palindrome (70848284807).

The spelling of 70421172400 in words is "seventy billion, four hundred twenty-one million, one hundred seventy-two thousand, four hundred".