746192640 has 144 divisors (see below), whose sum is σ = 2394570528. Its totient is φ = 198033408.

The previous prime is 746192627. The next prime is 746192663. The reversal of 746192640 is 46291647.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216974 + ... + 1217586.

It is an arithmetic number, because the mean of its divisors is an integer number (16628962).

Almost surely, 2^746192640 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 746192640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197285264).

746192640 is an abundant number, since it is smaller than the sum of its proper divisors (1648377888).

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

746192640 is a wasteful number, since it uses less digits than its factorization.

746192640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 746192640 is about 27316.5268656175. The cubic root of 746192640 is about 907.0202580863.

The spelling of 746192640 in words is "seven hundred forty-six million, one hundred ninety-two thousand, six hundred forty".