76420605 has 16 divisors (see below), whose sum is σ = 127589760. Its totient is φ = 38985408.

The previous prime is 76420579. The next prime is 76420607. The reversal of 76420605 is 50602467.

It is not a de Polignac number, because 76420605 - 2⁵ = 76420573 is a prime.

It is a super-3 number, since 3×76420605³ (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 (76420607) 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, 110410 + ... + 111099.

It is an arithmetic number, because the mean of its divisors is an integer number (7974360).

Almost surely, 2^76420605 is an apocalyptic number.

It is an amenable number.

76420605 is a deficient number, since it is larger than the sum of its proper divisors (51169155).

76420605 is a wasteful number, since it uses less digits than its factorization.

76420605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221540.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 76420605 is about 8741.8879539834. The cubic root of 76420605 is about 424.3623286047.

The spelling of 76420605 in words is "seventy-six million, four hundred twenty thousand, six hundred five".