742166140 has 24 divisors (see below), whose sum is σ = 1561743792. Its totient is φ = 296257920.

The previous prime is 742166137. The next prime is 742166141. The reversal of 742166140 is 41661247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742166141) 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, 27969 + ... + 47608.

It is an arithmetic number, because the mean of its divisors is an integer number (65072658).

Almost surely, 2^742166140 is an apocalyptic number.

It is an amenable number.

742166140 is an abundant number, since it is smaller than the sum of its proper divisors (819577652).

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

742166140 is a wasteful number, since it uses less digits than its factorization.

742166140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76077 (or 76075 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 742166140 is about 27242.7263687025. The cubic root of 742166140 is about 905.3858696587.

The spelling of 742166140 in words is "seven hundred forty-two million, one hundred sixty-six thousand, one hundred forty".