47745746 has 16 divisors (see below), whose sum is σ = 78667200. Its totient is φ = 21632688.

The previous prime is 47745683. The next prime is 47745767. The reversal of 47745746 is 64754774.

It is a super-2 number, since 2×47745746² = 4559312522193032, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47745697 and 47745706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26441 + ... + 28188.

It is an arithmetic number, because the mean of its divisors is an integer number (4916700).

Almost surely, 2^47745746 is an apocalyptic number.

47745746 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

47745746 is a deficient number, since it is larger than the sum of its proper divisors (30921454).

47745746 is a wasteful number, since it uses less digits than its factorization.

47745746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54673.

The product of its digits is 658560, while the sum is 44.

The square root of 47745746 is about 6909.8296650496. The cubic root of 47745746 is about 362.7813014306.

Subtracting 47745746 from its reverse (64754774), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 47745746 in words is "forty-seven million, seven hundred forty-five thousand, seven hundred forty-six".