47037816 has 48 divisors (see below), whose sum is σ = 145594800. Its totient is φ = 13439232.

The previous prime is 47037811. The next prime is 47037833. The reversal of 47037816 is 61873074.

It is a super-2 number, since 2×47037816² = 4425112268099712, which contains 22 as substring.

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 (47037811) 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, 46161 + ... + 47168.

It is an arithmetic number, because the mean of its divisors is an integer number (3033225).

Almost surely, 2^47037816 is an apocalyptic number.

It is an amenable number.

47037816 is an abundant number, since it is smaller than the sum of its proper divisors (98556984).

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

47037816 is a wasteful number, since it uses less digits than its factorization.

47037816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93348 (or 93341 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 47037816 is about 6858.4120611115. The cubic root of 47037816 is about 360.9793702706.

The spelling of 47037816 in words is "forty-seven million, thirty-seven thousand, eight hundred sixteen".