742015236 has 48 divisors (see below), whose sum is σ = 1814012928. Its totient is φ = 235620000.

The previous prime is 742015231. The next prime is 742015237. The reversal of 742015236 is 632510247.

It is a super-2 number, since 2×742015236² = 1101173220912271392, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (742015231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63921 + ... + 74631.

It is an arithmetic number, because the mean of its divisors is an integer number (37791936).

Almost surely, 2^742015236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742015236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907006464).

742015236 is an abundant number, since it is smaller than the sum of its proper divisors (1071997692).

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

742015236 is a wasteful number, since it uses less digits than its factorization.

742015236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10992 (or 10990 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 742015236 is about 27239.9566078950. The cubic root of 742015236 is about 905.3245017236.

The spelling of 742015236 in words is "seven hundred forty-two million, fifteen thousand, two hundred thirty-six".