709758045 has 64 divisors (see below), whose sum is σ = 1305492480. Its totient is φ = 370215360.

The previous prime is 709758037. The next prime is 709758067. The reversal of 709758045 is 540857907.

It is not a de Polignac number, because 709758045 - 2³ = 709758037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 513255 + ... + 514635.

It is an arithmetic number, because the mean of its divisors is an integer number (20398320).

Almost surely, 2^709758045 is an apocalyptic number.

It is an amenable number.

709758045 is a deficient number, since it is larger than the sum of its proper divisors (595734435).

709758045 is an equidigital number, since it uses as much as digits as its factorization.

709758045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 709758045 is about 26641.2845974063. The cubic root of 709758045 is about 892.0107904377.

The spelling of 709758045 in words is "seven hundred nine million, seven hundred fifty-eight thousand, forty-five".