72461775 has 12 divisors (see below), whose sum is σ = 119803592. Its totient is φ = 38646240.

The previous prime is 72461761. The next prime is 72461777. The reversal of 72461775 is 57716427.

It is not a de Polignac number, because 72461775 - 2⁷ = 72461647 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 (72461777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 483004 + ... + 483153.

Almost surely, 2^72461775 is an apocalyptic number.

72461775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

72461775 is a deficient number, since it is larger than the sum of its proper divisors (47341817).

72461775 is a wasteful number, since it uses less digits than its factorization.

72461775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966170 (or 966165 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 72461775 is about 8512.4482377281. The cubic root of 72461775 is about 416.9042502817.

The spelling of 72461775 in words is "seventy-two million, four hundred sixty-one thousand, seven hundred seventy-five".