76398471 has 32 divisors (see below), whose sum is σ = 115810240. Its totient is φ = 50388480.

The previous prime is 76398437. The next prime is 76398473. The reversal of 76398471 is 17489367.

76398471 is a `hidden beast` number, since 7 + 639 + 8 + 4 + 7 + 1 = 666.

It is not a de Polignac number, because 76398471 - 2¹⁴ = 76382087 is a prime.

It is a super-3 number, since 3×76398471³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76398473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395751 + ... + 395943.

It is an arithmetic number, because the mean of its divisors is an integer number (3619070).

Almost surely, 2^76398471 is an apocalyptic number.

76398471 is a deficient number, since it is larger than the sum of its proper divisors (39411769).

76398471 is an equidigital number, since it uses as much as digits as its factorization.

76398471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 377 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 76398471 is about 8740.6218886301. The cubic root of 76398471 is about 424.3213547393.

It can be divided in two parts, 7639 and 8471, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 76398471 in words is "seventy-six million, three hundred ninety-eight thousand, four hundred seventy-one".