71760947 has 4 divisors (see below), whose sum is σ = 73511256. Its totient is φ = 70010640.

The previous prime is 71760881. The next prime is 71760973. The reversal of 71760947 is 74906717.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71760947 - 2¹⁰ = 71759923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1750267 = 71760947 / (7 + 1 + 7 + 6 + 0 + 9 + 4 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71760047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875093 + ... + 875174.

It is an arithmetic number, because the mean of its divisors is an integer number (18377814).

Almost surely, 2^71760947 is an apocalyptic number.

71760947 is a deficient number, since it is larger than the sum of its proper divisors (1750309).

71760947 is a wasteful number, since it uses less digits than its factorization.

71760947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750308.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 71760947 is about 8471.1833293820. The cubic root of 71760947 is about 415.5558371884. Note that the first 3 decimals are identical.

The spelling of 71760947 in words is "seventy-one million, seven hundred sixty thousand, nine hundred forty-seven".