51740748 has 24 divisors (see below), whose sum is σ = 134142960. Its totient is φ = 17246880.

The previous prime is 51740747. The next prime is 51740771. The reversal of 51740748 is 84704715.

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

It is not an unprimeable number, because it can be changed into a prime (51740747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239433 + ... + 239648.

It is an arithmetic number, because the mean of its divisors is an integer number (5589290).

Almost surely, 2^51740748 is an apocalyptic number.

It is an amenable number.

51740748 is an abundant number, since it is smaller than the sum of its proper divisors (82402212).

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

51740748 is a wasteful number, since it uses less digits than its factorization.

51740748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479094 (or 479086 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 51740748 is about 7193.1041977716. The cubic root of 51740748 is about 372.6297864638.

The spelling of 51740748 in words is "fifty-one million, seven hundred forty thousand, seven hundred forty-eight".