47751264 has 72 divisors (see below), whose sum is σ = 148147272. Its totient is φ = 14469120.

The previous prime is 47751247. The next prime is 47751269. The reversal of 47751264 is 46215774.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47751269) 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, 4369 + ... + 10704.

It is an arithmetic number, because the mean of its divisors is an integer number (2057601).

Almost surely, 2^47751264 is an apocalyptic number.

47751264 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47751264 is an abundant number, since it is smaller than the sum of its proper divisors (100396008).

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

47751264 is a wasteful number, since it uses less digits than its factorization.

47751264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15100 (or 15089 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 47751264 is about 6910.2289397675. The cubic root of 47751264 is about 362.7952764983.

The spelling of 47751264 in words is "forty-seven million, seven hundred fifty-one thousand, two hundred sixty-four".