742944216 has 32 divisors (see below), whose sum is σ = 2122698240. Its totient is φ = 212269728.

The previous prime is 742944211. The next prime is 742944221. The reversal of 742944216 is 612449247.

It is an interprime number because it is at equal distance from previous prime (742944211) and next prime (742944221).

It is a super-2 number, since 2×742944216² = 1103932216175709312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742944211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2210976 + ... + 2211311.

It is an arithmetic number, because the mean of its divisors is an integer number (66334320).

Almost surely, 2^742944216 is an apocalyptic number.

It is an amenable number.

742944216 is an abundant number, since it is smaller than the sum of its proper divisors (1379754024).

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

742944216 is a wasteful number, since it uses less digits than its factorization.

742944216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422303 (or 4422299 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 742944216 is about 27257.0030634331. The cubic root of 742944216 is about 905.7021568706.

The spelling of 742944216 in words is "seven hundred forty-two million, nine hundred forty-four thousand, two hundred sixteen".