742995240 has 64 divisors (see below), whose sum is σ = 2400451200. Its totient is φ = 182890752.

The previous prime is 742995221. The next prime is 742995257. The reversal of 742995240 is 42599247.

It is a junction number, because it is equal to n+sod(n) for n = 742995192 and 742995201.

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, 236580 + ... + 239699.

It is an arithmetic number, because the mean of its divisors is an integer number (37507050).

Almost surely, 2^742995240 is an apocalyptic number.

It is an amenable number.

742995240 is an abundant number, since it is smaller than the sum of its proper divisors (1657455960).

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

742995240 is a wasteful number, since it uses less digits than its factorization.

742995240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476306 (or 476302 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 742995240 is about 27257.9390270064. The cubic root of 742995240 is about 905.7228903649.

The spelling of 742995240 in words is "seven hundred forty-two million, nine hundred ninety-five thousand, two hundred forty".