742503878 has 32 divisors (see below), whose sum is σ = 1205832960. Its totient is φ = 342074880.

The previous prime is 742503859. The next prime is 742503887. The reversal of 742503878 is 878305247.

It is a happy number.

It is a congruent 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, 128426 + ... + 134082.

It is an arithmetic number, because the mean of its divisors is an integer number (37682280).

Almost surely, 2^742503878 is an apocalyptic number.

742503878 is a deficient number, since it is larger than the sum of its proper divisors (463329082).

742503878 is a wasteful number, since it uses less digits than its factorization.

742503878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 742503878 is about 27248.9243457425. The cubic root of 742503878 is about 905.5231869985.

The spelling of 742503878 in words is "seven hundred forty-two million, five hundred three thousand, eight hundred seventy-eight".