901872705 has 16 divisors (see below), whose sum is σ = 1451062080. Its totient is φ = 478310208.

The previous prime is 901872683. The next prime is 901872731. The reversal of 901872705 is 507278109.

It is not a de Polignac number, because 901872705 - 2⁶ = 901872641 is a prime.

It is an alternating number because its digits alternate between odd and even.

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, 165262 + ... + 170631.

It is an arithmetic number, because the mean of its divisors is an integer number (90691380).

Almost surely, 2^901872705 is an apocalyptic number.

It is an amenable number.

901872705 is a deficient number, since it is larger than the sum of its proper divisors (549189375).

901872705 is a wasteful number, since it uses less digits than its factorization.

901872705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336080.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 901872705 is about 30031.1955306478. The cubic root of 901872705 is about 966.1585787440.

The spelling of 901872705 in words is "nine hundred one million, eight hundred seventy-two thousand, seven hundred five".