76621370 has 32 divisors (see below), whose sum is σ = 158112000. Its totient is φ = 26188416.

The previous prime is 76621343. The next prime is 76621373. The reversal of 76621370 is 7312667.

It is not an unprimeable number, because it can be changed into a prime (76621373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23606 + ... + 26654.

It is an arithmetic number, because the mean of its divisors is an integer number (4941000).

Almost surely, 2^76621370 is an apocalyptic number.

76621370 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

76621370 is an abundant number, since it is smaller than the sum of its proper divisors (81490630).

76621370 is a wasteful number, since it uses less digits than its factorization.

76621370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 76621370 is about 8753.3633535916. The cubic root of 76621370 is about 424.7336185395.

The spelling of 76621370 in words is "seventy-six million, six hundred twenty-one thousand, three hundred seventy".