740721499 has 8 divisors (see below), whose sum is σ = 846708480. Its totient is φ = 634776936.

The previous prime is 740721491. The next prime is 740721503. The reversal of 740721499 is 994127047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 740721499 - 2³ = 740721491 is a prime.

It is a super-3 number, since 3×740721499³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740721491) 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, 49692 + ... + 62854.

It is an arithmetic number, because the mean of its divisors is an integer number (105838560).

Almost surely, 2^740721499 is an apocalyptic number.

740721499 is a deficient number, since it is larger than the sum of its proper divisors (105986981).

740721499 is a wasteful number, since it uses less digits than its factorization.

740721499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21209.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 740721499 is about 27216.1992019459. The cubic root of 740721499 is about 904.7980376125.

The spelling of 740721499 in words is "seven hundred forty million, seven hundred twenty-one thousand, four hundred ninety-nine".