71477012013 has 8 divisors (see below), whose sum is σ = 103966562976. Its totient is φ = 43319401200.

The previous prime is 71477011973. The next prime is 71477012017. The reversal of 71477012013 is 31021077417.

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

It is not a de Polignac number, because 71477012013 - 2¹⁶ = 71476946477 is a prime.

It is a super-4 number, since 4×71477012013⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2165970061 = 71477012013 / (7 + 1 + 4 + 7 + 7 + 0 + 1 + 2 + 0 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71477012017) 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, 1082984998 + ... + 1082985063.

It is an arithmetic number, because the mean of its divisors is an integer number (12995820372).

Almost surely, 2^71477012013 is an apocalyptic number.

It is an amenable number.

71477012013 is a deficient number, since it is larger than the sum of its proper divisors (32489550963).

71477012013 is a wasteful number, since it uses less digits than its factorization.

71477012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165970075.

The product of its (nonzero) digits is 8232, while the sum is 33.

The spelling of 71477012013 in words is "seventy-one billion, four hundred seventy-seven million, twelve thousand, thirteen".