742725087 has 72 divisors (see below), whose sum is σ = 1178452656. Its totient is φ = 415494144.

The previous prime is 742725077. The next prime is 742725133. The reversal of 742725087 is 780527247.

It is not a de Polignac number, because 742725087 - 2⁸ = 742724831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742725037) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5421283 + ... + 5421419.

It is an arithmetic number, because the mean of its divisors is an integer number (16367398).

Almost surely, 2^742725087 is an apocalyptic number.

742725087 is a deficient number, since it is larger than the sum of its proper divisors (435727569).

742725087 is a wasteful number, since it uses less digits than its factorization.

742725087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 42.

The square root of 742725087 is about 27252.9830844258. The cubic root of 742725087 is about 905.6131034715.

The spelling of 742725087 in words is "seven hundred forty-two million, seven hundred twenty-five thousand, eighty-seven".