864730074 has 48 divisors (see below), whose sum is σ = 1877580000. Its totient is φ = 265382208.

The previous prime is 864730067. The next prime is 864730079. The reversal of 864730074 is 470037468.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (864730079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505132 + ... + 506840.

It is an arithmetic number, because the mean of its divisors is an integer number (39116250).

Almost surely, 2^864730074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 864730074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938790000).

864730074 is an abundant number, since it is smaller than the sum of its proper divisors (1012849926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

864730074 is a wasteful number, since it uses less digits than its factorization.

864730074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239 (or 2226 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 864730074 is about 29406.2931019875. The cubic root of 864730074 is about 952.7088242277.

The spelling of 864730074 in words is "eight hundred sixty-four million, seven hundred thirty thousand, seventy-four".