740734985 has 16 divisors (see below), whose sum is σ = 919797120. Its totient is φ = 572288640.

The previous prime is 740734979. The next prime is 740734997. The reversal of 740734985 is 589437047.

It is not a de Polignac number, because 740734985 - 2⁶ = 740734921 is a prime.

It is a Curzon 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, 221 + ... + 38490.

It is an arithmetic number, because the mean of its divisors is an integer number (57487320).

Almost surely, 2^740734985 is an apocalyptic number.

It is an amenable number.

740734985 is a deficient number, since it is larger than the sum of its proper divisors (179062135).

740734985 is a wasteful number, since it uses less digits than its factorization.

740734985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38848.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 740734985 is about 27216.4469576762. The cubic root of 740734985 is about 904.8035286696.

The spelling of 740734985 in words is "seven hundred forty million, seven hundred thirty-four thousand, nine hundred eighty-five".