742132989 has 64 divisors (see below), whose sum is σ = 1254086400. Its totient is φ = 429981696.

The previous prime is 742132957. The next prime is 742132991. The reversal of 742132989 is 989231247.

It is not a de Polignac number, because 742132989 - 2⁵ = 742132957 is a prime.

It is a super-2 number, since 2×742132989² = 1101522746724148242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742132949) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1713717 + ... + 1714149.

It is an arithmetic number, because the mean of its divisors is an integer number (19595100).

Almost surely, 2^742132989 is an apocalyptic number.

It is an amenable number.

742132989 is a deficient number, since it is larger than the sum of its proper divisors (511953411).

742132989 is a wasteful number, since it uses less digits than its factorization.

742132989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 725 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 742132989 is about 27242.1179242731. The cubic root of 742132989 is about 905.3723888973.

The spelling of 742132989 in words is "seven hundred forty-two million, one hundred thirty-two thousand, nine hundred eighty-nine".