720977001 has 8 divisors (see below), whose sum is σ = 983658720. Its totient is φ = 469473312.

The previous prime is 720976961. The next prime is 720977009. The reversal of 720977001 is 100779027.

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

It is not a de Polignac number, because 720977001 - 2⁶ = 720976937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (720977009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2794356 + ... + 2794613.

It is an arithmetic number, because the mean of its divisors is an integer number (122957340).

Almost surely, 2^720977001 is an apocalyptic number.

It is an amenable number.

720977001 is a deficient number, since it is larger than the sum of its proper divisors (262681719).

720977001 is a wasteful number, since it uses less digits than its factorization.

720977001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5589015.

The product of its (nonzero) digits is 6174, while the sum is 33.

The square root of 720977001 is about 26851.0148970202. The cubic root of 720977001 is about 896.6861676468.

The spelling of 720977001 in words is "seven hundred twenty million, nine hundred seventy-seven thousand, one".