752240051 has 4 divisors (see below), whose sum is σ = 752310504. Its totient is φ = 752169600.

The previous prime is 752240033. The next prime is 752240053. The reversal of 752240051 is 150042257.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-752240051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 752240051.

It is not an unprimeable number, because it can be changed into a prime (752240053) 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, 15545 + ... + 41786.

It is an arithmetic number, because the mean of its divisors is an integer number (188077626).

Almost surely, 2^752240051 is an apocalyptic number.

752240051 is a deficient number, since it is larger than the sum of its proper divisors (70453).

752240051 is a wasteful number, since it uses less digits than its factorization.

752240051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70452.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 752240051 is about 27426.9949320008. The cubic root of 752240051 is about 909.4639402089.

The spelling of 752240051 in words is "seven hundred fifty-two million, two hundred forty thousand, fifty-one".