72401246 has 8 divisors (see below), whose sum is σ = 108638040. Its totient is φ = 36188568.

The previous prime is 72401239. The next prime is 72401257. The reversal of 72401246 is 64210427.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8120 + ... + 14516.

It is an arithmetic number, because the mean of its divisors is an integer number (13579755).

Almost surely, 2^72401246 is an apocalyptic number.

72401246 is a deficient number, since it is larger than the sum of its proper divisors (36236794).

72401246 is a wasteful number, since it uses less digits than its factorization.

72401246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12058.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 72401246 is about 8508.8921723101. The cubic root of 72401246 is about 416.7881346836.

The spelling of 72401246 in words is "seventy-two million, four hundred one thousand, two hundred forty-six".