72461654 has 4 divisors (see below), whose sum is σ = 108692484. Its totient is φ = 36230826.

The previous prime is 72461647. The next prime is 72461681. The reversal of 72461654 is 45616427.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45616427 = 131 ⋅348217.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18115412 + ... + 18115415.

It is an arithmetic number, because the mean of its divisors is an integer number (27173121).

Almost surely, 2^72461654 is an apocalyptic number.

72461654 is a deficient number, since it is larger than the sum of its proper divisors (36230830).

72461654 is a wasteful number, since it uses less digits than its factorization.

72461654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36230829.

The product of its digits is 40320, while the sum is 35.

The square root of 72461654 is about 8512.4411304866. The cubic root of 72461654 is about 416.9040182263.

The spelling of 72461654 in words is "seventy-two million, four hundred sixty-one thousand, six hundred fifty-four".