70747471 has 8 divisors (see below), whose sum is σ = 73966464. Its totient is φ = 67540440.

The previous prime is 70747463. The next prime is 70747483. The reversal of 70747471 is 17474707.

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

It is a cyclic number.

It is not a de Polignac number, because 70747471 - 2³ = 70747463 is a prime.

It is a super-3 number, since 3×70747471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70747471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70747451) 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, 10440 + ... + 15826.

It is an arithmetic number, because the mean of its divisors is an integer number (9245808).

Almost surely, 2^70747471 is an apocalyptic number.

70747471 is a deficient number, since it is larger than the sum of its proper divisors (3218993).

70747471 is a wasteful number, since it uses less digits than its factorization.

70747471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5981.

The product of its (nonzero) digits is 38416, while the sum is 37.

The square root of 70747471 is about 8411.1515858413. The cubic root of 70747471 is about 413.5902637890.

The spelling of 70747471 in words is "seventy million, seven hundred forty-seven thousand, four hundred seventy-one".