507400705 has 8 divisors (see below), whose sum is σ = 695863872. Its totient is φ = 347931888.

The previous prime is 507400703. The next prime is 507400759. The reversal of 507400705 is 507004705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 507400705 - 2¹ = 507400703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507400703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7248547 + ... + 7248616.

It is an arithmetic number, because the mean of its divisors is an integer number (86982984).

Almost surely, 2^507400705 is an apocalyptic number.

It is an amenable number.

507400705 is a deficient number, since it is larger than the sum of its proper divisors (188463167).

507400705 is a wasteful number, since it uses less digits than its factorization.

507400705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14497175.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 507400705 is about 22525.5567078818. The cubic root of 507400705 is about 797.5973250194.

The spelling of 507400705 in words is "five hundred seven million, four hundred thousand, seven hundred five".