720264001 has 2 divisors, whose sum is σ = 720264002. Its totient is φ = 720264000.

The previous prime is 720263993. The next prime is 720264029. The reversal of 720264001 is 100462027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 588014001 + 132250000 = 24249^2 + 11500^2 .

It is a cyclic number.

It is not a de Polignac number, because 720264001 - 2³ = 720263993 is a prime.

It is a super-2 number, since 2×720264001² = 1037560462273056002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (720264301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360132000 + 360132001.

It is an arithmetic number, because the mean of its divisors is an integer number (360132001).

Almost surely, 2^720264001 is an apocalyptic number.

It is an amenable number.

720264001 is a deficient number, since it is larger than the sum of its proper divisors (1).

720264001 is an equidigital number, since it uses as much as digits as its factorization.

720264001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 720264001 is about 26837.7346473207. The cubic root of 720264001 is about 896.3904817895.

The spelling of 720264001 in words is "seven hundred twenty million, two hundred sixty-four thousand, one".