47772515 has 16 divisors (see below), whose sum is σ = 65802240. Its totient is φ = 32615520.

The previous prime is 47772497. The next prime is 47772547. The reversal of 47772515 is 51527774.

It is not a de Polignac number, because 47772515 - 2¹⁶ = 47706979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5510 + ... + 11220.

It is an arithmetic number, because the mean of its divisors is an integer number (4112640).

Almost surely, 2^47772515 is an apocalyptic number.

47772515 is a deficient number, since it is larger than the sum of its proper divisors (18029725).

47772515 is a wasteful number, since it uses less digits than its factorization.

47772515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5962.

The product of its digits is 68600, while the sum is 38.

The square root of 47772515 is about 6911.7664167708. The cubic root of 47772515 is about 362.8490874229.

The spelling of 47772515 in words is "forty-seven million, seven hundred seventy-two thousand, five hundred fifteen".