71674897 has 24 divisors (see below), whose sum is σ = 88482240. Its totient is φ = 57728160.

The previous prime is 71674861. The next prime is 71674903. The reversal of 71674897 is 79847617.

It is not a de Polignac number, because 71674897 - 2⁷ = 71674769 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 71674897.

It is not an unprimeable number, because it can be changed into a prime (71674297) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155247 + ... + 155707.

It is an arithmetic number, because the mean of its divisors is an integer number (3686760).

Almost surely, 2^71674897 is an apocalyptic number.

It is an amenable number.

71674897 is a deficient number, since it is larger than the sum of its proper divisors (16807343).

71674897 is a wasteful number, since it uses less digits than its factorization.

71674897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 654 counting only the distinct ones).

The product of its digits is 592704, while the sum is 49.

The square root of 71674897 is about 8466.1028224325. The cubic root of 71674897 is about 415.3896702886.

The spelling of 71674897 in words is "seventy-one million, six hundred seventy-four thousand, eight hundred ninety-seven".