75671245 has 8 divisors (see below), whose sum is σ = 97790616. Its totient is φ = 55880256.

The previous prime is 75671221. The next prime is 75671251. The reversal of 75671245 is 54217657.

It can be written as a sum of positive squares in 4 ways, for example, as 4251844 + 71419401 = 2062^2 + 8451^2 .

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 75671245 - 2¹⁵ = 75638477 is a prime.

It is a super-2 number, since 2×75671245² = 11452274639700050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 582022 + ... + 582151.

It is an arithmetic number, because the mean of its divisors is an integer number (12223827).

Almost surely, 2^75671245 is an apocalyptic number.

It is an amenable number.

75671245 is a deficient number, since it is larger than the sum of its proper divisors (22119371).

75671245 is a wasteful number, since it uses less digits than its factorization.

75671245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164191.

The product of its digits is 58800, while the sum is 37.

The square root of 75671245 is about 8698.9220596577. The cubic root of 75671245 is about 422.9707088869.

The spelling of 75671245 in words is "seventy-five million, six hundred seventy-one thousand, two hundred forty-five".