47721307400 has 72 divisors (see below), whose sum is σ = 120143418030. Its totient is φ = 17620162560.

The previous prime is 47721307399. The next prime is 47721307411. The reversal of 47721307400 is 470312774.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 2555706916 + 45165600484 = 50554^2 + 212522^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 672137 + ... + 739736.

Almost surely, 2^47721307400 is an apocalyptic number.

47721307400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47721307400 is an abundant number, since it is smaller than the sum of its proper divisors (72422110630).

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

47721307400 is a wasteful number, since it uses less digits than its factorization.

47721307400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411915 (or 1411893 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The spelling of 47721307400 in words is "forty-seven billion, seven hundred twenty-one million, three hundred seven thousand, four hundred".