742362530 has 64 divisors (see below), whose sum is σ = 1649991168. Its totient is φ = 234178560.

The previous prime is 742362529. The next prime is 742362539. The reversal of 742362530 is 35263247.

It is a super-2 number, since 2×742362530² = 1102204251896001800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (742362539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320075 + ... + 322385.

It is an arithmetic number, because the mean of its divisors is an integer number (25781112).

Almost surely, 2^742362530 is an apocalyptic number.

742362530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

742362530 is an abundant number, since it is smaller than the sum of its proper divisors (907628638).

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

742362530 is a wasteful number, since it uses less digits than its factorization.

742362530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 742362530 is about 27246.3305786302. The cubic root of 742362530 is about 905.4657228703.

The spelling of 742362530 in words is "seven hundred forty-two million, three hundred sixty-two thousand, five hundred thirty".