76851480 has 128 divisors (see below), whose sum is σ = 242104320. Its totient is φ = 19491840.

The previous prime is 76851457. The next prime is 76851497. The reversal of 76851480 is 8415867.

It is a super-2 number, since 2×76851480² = 11812299956380800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271419 + ... + 271701.

It is an arithmetic number, because the mean of its divisors is an integer number (1891440).

Almost surely, 2^76851480 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 76851480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121052160).

76851480 is an abundant number, since it is smaller than the sum of its proper divisors (165252840).

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

76851480 is a wasteful number, since it uses less digits than its factorization.

76851480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 76851480 is about 8766.4975902580. The cubic root of 76851480 is about 425.1583815696.

The spelling of 76851480 in words is "seventy-six million, eight hundred fifty-one thousand, four hundred eighty".