51476730 has 32 divisors (see below), whose sum is σ = 126560448. Its totient is φ = 13392000.

The previous prime is 51476729. The next prime is 51476749. The reversal of 51476730 is 3767415.

It is a junction number, because it is equal to n+sod(n) for n = 51476691 and 51476700.

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, 19696 + ... + 22155.

It is an arithmetic number, because the mean of its divisors is an integer number (3955014).

Almost surely, 2^51476730 is an apocalyptic number.

51476730 is an abundant number, since it is smaller than the sum of its proper divisors (75083718).

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

51476730 is a wasteful number, since it uses less digits than its factorization.

51476730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41902.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 51476730 is about 7174.7285662943. The cubic root of 51476730 is about 371.9948981842.

The spelling of 51476730 in words is "fifty-one million, four hundred seventy-six thousand, seven hundred thirty".