47073730 has 32 divisors (see below), whose sum is σ = 93623040. Its totient is φ = 16897920.

The previous prime is 47073727. The next prime is 47073737. The reversal of 47073730 is 3737074.

It is a super-2 number, since 2×47073730² = 4431872112225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47073692 and 47073701.

It is not an unprimeable number, because it can be changed into a prime (47073737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5982 + ... + 11398.

It is an arithmetic number, because the mean of its divisors is an integer number (2925720).

Almost surely, 2^47073730 is an apocalyptic number.

47073730 is a deficient number, since it is larger than the sum of its proper divisors (46549310).

47073730 is a wasteful number, since it uses less digits than its factorization.

47073730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 47073730 is about 6861.0298060860. The cubic root of 47073730 is about 361.0712177538.

The spelling of 47073730 in words is "forty-seven million, seventy-three thousand, seven hundred thirty".