47772507 has 4 divisors (see below), whose sum is σ = 63696680. Its totient is φ = 31848336.

The previous prime is 47772497. The next prime is 47772547. The reversal of 47772507 is 70527774.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47772507 - 2⁶ = 47772443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47772547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7962082 + ... + 7962087.

It is an arithmetic number, because the mean of its divisors is an integer number (15924170).

Almost surely, 2^47772507 is an apocalyptic number.

47772507 is a deficient number, since it is larger than the sum of its proper divisors (15924173).

47772507 is a wasteful number, since it uses less digits than its factorization.

47772507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15924172.

The product of its (nonzero) digits is 96040, while the sum is 39.

The square root of 47772507 is about 6911.7658380475. The cubic root of 47772507 is about 362.8490671686.

The spelling of 47772507 in words is "forty-seven million, seven hundred seventy-two thousand, five hundred seven".