752642426 has 4 divisors (see below), whose sum is σ = 1128963642. Its totient is φ = 376321212.

The previous prime is 752642417. The next prime is 752642503. The reversal of 752642426 is 624246257.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624246257 = 29 ⋅21525733.

It can be written as a sum of positive squares in only one way, i.e., 383964025 + 368678401 = 19595^2 + 19201^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 752642426.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188160605 + ... + 188160608.

Almost surely, 2^752642426 is an apocalyptic number.

752642426 is a deficient number, since it is larger than the sum of its proper divisors (376321216).

752642426 is a wasteful number, since it uses less digits than its factorization.

752642426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376321215.

The product of its digits is 161280, while the sum is 38.

The square root of 752642426 is about 27434.3293338839. The cubic root of 752642426 is about 909.6260694492.

The spelling of 752642426 in words is "seven hundred fifty-two million, six hundred forty-two thousand, four hundred twenty-six".