72345046 has 8 divisors (see below), whose sum is σ = 114229080. Its totient is φ = 34268688.

The previous prime is 72345029. The next prime is 72345071. The reversal of 72345046 is 64054327.

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

It is a junction number, because it is equal to n+sod(n) for n = 72344999 and 72345017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951871 + ... + 951946.

It is an arithmetic number, because the mean of its divisors is an integer number (14278635).

Almost surely, 2^72345046 is an apocalyptic number.

72345046 is a deficient number, since it is larger than the sum of its proper divisors (41884034).

72345046 is a wasteful number, since it uses less digits than its factorization.

72345046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903838.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 72345046 is about 8505.5891036424. The cubic root of 72345046 is about 416.6802656539.

The spelling of 72345046 in words is "seventy-two million, three hundred forty-five thousand, forty-six".