742658715 has 24 divisors (see below), whose sum is σ = 1287934128. Its totient is φ = 395881920.

The previous prime is 742658701. The next prime is 742658717. The reversal of 742658715 is 517856247.

It is not a de Polignac number, because 742658715 - 2⁴ = 742658699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (742658717) 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, 135325 + ... + 140705.

It is an arithmetic number, because the mean of its divisors is an integer number (53663922).

Almost surely, 2^742658715 is an apocalyptic number.

742658715 is a deficient number, since it is larger than the sum of its proper divisors (545275413).

742658715 is a wasteful number, since it uses less digits than its factorization.

742658715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8459 (or 8456 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 742658715 is about 27251.7653556609. The cubic root of 742658715 is about 905.5861266244.

The spelling of 742658715 in words is "seven hundred forty-two million, six hundred fifty-eight thousand, seven hundred fifteen".