76474140 has 48 divisors (see below), whose sum is σ = 216548640. Its totient is φ = 20162560.

The previous prime is 76474093. The next prime is 76474141. The reversal of 76474140 is 4147467.

It is a super-3 number, since 3×76474140³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76474141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1821 + ... + 12500.

It is an arithmetic number, because the mean of its divisors is an integer number (4511430).

Almost surely, 2^76474140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76474140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108274320).

76474140 is an abundant number, since it is smaller than the sum of its proper divisors (140074500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76474140 is a wasteful number, since it uses less digits than its factorization.

76474140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14422 (or 14420 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 76474140 is about 8744.9493995106. The cubic root of 76474140 is about 424.4613984580.

The spelling of 76474140 in words is "seventy-six million, four hundred seventy-four thousand, one hundred forty".