720078441 has 8 divisors (see below), whose sum is σ = 970892640. Its totient is φ = 474658272.

The previous prime is 720078431. The next prime is 720078451. The reversal of 720078441 is 144870027.

It is an interprime number because it is at equal distance from previous prime (720078431) and next prime (720078451).

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

It is not a de Polignac number, because 720078441 - 2⁶ = 720078377 is a prime.

It is a super-2 number, since 2×720078441² = 1037025922385980962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (720078431) 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, 1348195 + ... + 1348728.

It is an arithmetic number, because the mean of its divisors is an integer number (121361580).

Almost surely, 2^720078441 is an apocalyptic number.

It is an amenable number.

720078441 is a deficient number, since it is larger than the sum of its proper divisors (250814199).

720078441 is a wasteful number, since it uses less digits than its factorization.

720078441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697015.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 720078441 is about 26834.2773519243. The cubic root of 720078441 is about 896.3134968211.

The spelling of 720078441 in words is "seven hundred twenty million, seventy-eight thousand, four hundred forty-one".