730501992 has 48 divisors (see below), whose sum is σ = 2158303680. Its totient is φ = 221364000.

The previous prime is 730501979. The next prime is 730502009. The reversal of 730501992 is 299105037.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460384 + ... + 461967.

It is an arithmetic number, because the mean of its divisors is an integer number (44964660).

Almost surely, 2^730501992 is an apocalyptic number.

730501992 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

730501992 is an abundant number, since it is smaller than the sum of its proper divisors (1427801688).

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

730501992 is a wasteful number, since it uses less digits than its factorization.

730501992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922374 (or 922367 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 730501992 is about 27027.8003544499. The cubic root of 730501992 is about 900.6176796865.

The spelling of 730501992 in words is "seven hundred thirty million, five hundred one thousand, nine hundred ninety-two".