76521346 has 8 divisors (see below), whose sum is σ = 125216784. Its totient is φ = 34782420.

The previous prime is 76521331. The next prime is 76521349. The reversal of 76521346 is 64312567.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (76521349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1739100 + ... + 1739143.

It is an arithmetic number, because the mean of its divisors is an integer number (15652098).

Almost surely, 2^76521346 is an apocalyptic number.

76521346 is a deficient number, since it is larger than the sum of its proper divisors (48695438).

76521346 is a wasteful number, since it uses less digits than its factorization.

76521346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478256.

The product of its digits is 30240, while the sum is 34.

The square root of 76521346 is about 8747.6480267555. The cubic root of 76521346 is about 424.5487177503.

It can be divided in two parts, 76521 and 346, that added together give a palindrome (76867).

The spelling of 76521346 in words is "seventy-six million, five hundred twenty-one thousand, three hundred forty-six".