746999136 has 144 divisors (see below), whose sum is σ = 2408318640. Its totient is φ = 217728000.

The previous prime is 746999101. The next prime is 746999137. The reversal of 746999136 is 631999647.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746999137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65886 + ... + 76386.

It is an arithmetic number, because the mean of its divisors is an integer number (16724435).

Almost surely, 2^746999136 is an apocalyptic number.

746999136 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 746999136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204159320).

746999136 is an abundant number, since it is smaller than the sum of its proper divisors (1661319504).

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

746999136 is a wasteful number, since it uses less digits than its factorization.

746999136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10549 (or 10538 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 746999136 is about 27331.2849313749. The cubic root of 746999136 is about 907.3469140495.

The spelling of 746999136 in words is "seven hundred forty-six million, nine hundred ninety-nine thousand, one hundred thirty-six".