752460421 has 4 divisors (see below), whose sum is σ = 762768172. Its totient is φ = 742152672.

The previous prime is 752460407. The next prime is 752460431. The reversal of 752460421 is 124064257.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 631768225 + 120692196 = 25135^2 + 10986^2 .

It is a cyclic number.

It is not a de Polignac number, because 752460421 - 2¹¹ = 752458373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (752460431) 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, 5153766 + ... + 5153911.

It is an arithmetic number, because the mean of its divisors is an integer number (190692043).

Almost surely, 2^752460421 is an apocalyptic number.

It is an amenable number.

752460421 is a deficient number, since it is larger than the sum of its proper divisors (10307751).

752460421 is a wasteful number, since it uses less digits than its factorization.

752460421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10307750.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 752460421 is about 27431.0120301822. The cubic root of 752460421 is about 909.5527412064.

The spelling of 752460421 in words is "seven hundred fifty-two million, four hundred sixty thousand, four hundred twenty-one".