742138695 has 48 divisors (see below), whose sum is σ = 1320763392. Its totient is φ = 385318080.

The previous prime is 742138679. The next prime is 742138721. The reversal of 742138695 is 596831247.

It is not a de Polignac number, because 742138695 - 2⁴ = 742138679 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 742138695.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 445434 + ... + 447096.

It is an arithmetic number, because the mean of its divisors is an integer number (27515904).

Almost surely, 2^742138695 is an apocalyptic number.

742138695 is a deficient number, since it is larger than the sum of its proper divisors (578624697).

742138695 is a wasteful number, since it uses less digits than its factorization.

742138695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932 (or 1929 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 742138695 is about 27242.2226516120. Note that the first 3 decimals coincide. The cubic root of 742138695 is about 905.3747092548.

The spelling of 742138695 in words is "seven hundred forty-two million, one hundred thirty-eight thousand, six hundred ninety-five".