72046751 has 8 divisors (see below), whose sum is σ = 82390560. Its totient is φ = 61715808.

The previous prime is 72046747. The next prime is 72046771. The reversal of 72046751 is 15764027.

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

It is not a de Polignac number, because 72046751 - 2² = 72046747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72046721) 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, 19565 + ... + 22953.

It is an arithmetic number, because the mean of its divisors is an integer number (10298820).

Almost surely, 2^72046751 is an apocalyptic number.

72046751 is a deficient number, since it is larger than the sum of its proper divisors (10343809).

72046751 is a wasteful number, since it uses less digits than its factorization.

72046751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6433.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 72046751 is about 8488.0357562866. The cubic root of 72046751 is about 416.1067877201.

The spelling of 72046751 in words is "seventy-two million, forty-six thousand, seven hundred fifty-one".