742635 has 16 divisors (see below), whose sum is σ = 1320480. Its totient is φ = 396000.

The previous prime is 742619. The next prime is 742657. The reversal of 742635 is 536247.

It is a happy number.

It is not a de Polignac number, because 742635 - 2⁴ = 742619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 742599 and 742608.

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, 2616 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (82530).

2⁷⁴²⁶³⁵ is an apocalyptic number.

742635 is a deficient number, since it is larger than the sum of its proper divisors (577845).

742635 is a wasteful number, since it uses less digits than its factorization.

742635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515 (or 5509 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 742635 is about 861.7627283655. The cubic root of 742635 is about 90.5576487292.

The spelling of 742635 in words is "seven hundred forty-two thousand, six hundred thirty-five".