720400495 has 8 divisors (see below), whose sum is σ = 865380384. Its totient is φ = 575720544.

The previous prime is 720400493. The next prime is 720400531. The reversal of 720400495 is 594004027.

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 720400495 - 2¹ = 720400493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720400493) 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, 69664 + ... + 79333.

It is an arithmetic number, because the mean of its divisors is an integer number (108172548).

Almost surely, 2^720400495 is an apocalyptic number.

720400495 is a deficient number, since it is larger than the sum of its proper divisors (144979889).

720400495 is a wasteful number, since it uses less digits than its factorization.

720400495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149969.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 720400495 is about 26840.2774762110. The cubic root of 720400495 is about 896.4471018595.

The spelling of 720400495 in words is "seven hundred twenty million, four hundred thousand, four hundred ninety-five".