746687540 has 24 divisors (see below), whose sum is σ = 1570555392. Its totient is φ = 298196640.

The previous prime is 746687533. The next prime is 746687573. The reversal of 746687540 is 45786647.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16964 + ... + 42203.

It is an arithmetic number, because the mean of its divisors is an integer number (65439808).

Almost surely, 2^746687540 is an apocalyptic number.

It is an amenable number.

746687540 is an abundant number, since it is smaller than the sum of its proper divisors (823867852).

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

746687540 is a wasteful number, since it uses less digits than its factorization.

746687540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59807 (or 59805 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The square root of 746687540 is about 27325.5839827807. The cubic root of 746687540 is about 907.2207358628.

The spelling of 746687540 in words is "seven hundred forty-six million, six hundred eighty-seven thousand, five hundred forty".