670791455 has 16 divisors (see below), whose sum is σ = 812110944. Its totient is φ = 531878400.

The previous prime is 670791439. The next prime is 670791469. The reversal of 670791455 is 554197076.

It is not a de Polignac number, because 670791455 - 2⁴ = 670791439 is a prime.

It is a super-2 number, since 2×670791455² = 899922352202034050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371555 + ... + 373355.

It is an arithmetic number, because the mean of its divisors is an integer number (50756934).

Almost surely, 2^670791455 is an apocalyptic number.

670791455 is a deficient number, since it is larger than the sum of its proper divisors (141319489).

670791455 is a wasteful number, since it uses less digits than its factorization.

670791455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426.

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 670791455 is about 25899.6419859426. The cubic root of 670791455 is about 875.3784289626.

The spelling of 670791455 in words is "six hundred seventy million, seven hundred ninety-one thousand, four hundred fifty-five".