72461237 has 8 divisors (see below), whose sum is σ = 73697856. Its totient is φ = 71229312.

The previous prime is 72461203. The next prime is 72461239. The reversal of 72461237 is 73216427.

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 72461237 - 2⁶ = 72461173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72461239) 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, 44288 + ... + 45894.

It is an arithmetic number, because the mean of its divisors is an integer number (9212232).

Almost surely, 2^72461237 is an apocalyptic number.

It is an amenable number.

72461237 is a deficient number, since it is larger than the sum of its proper divisors (1236619).

72461237 is a wasteful number, since it uses less digits than its factorization.

72461237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347.

The product of its digits is 14112, while the sum is 32.

The square root of 72461237 is about 8512.4166368899. The cubic root of 72461237 is about 416.9032184961.

The spelling of 72461237 in words is "seventy-two million, four hundred sixty-one thousand, two hundred thirty-seven".