77740741 has 8 divisors (see below), whose sum is σ = 83916000. Its totient is φ = 71593392.

The previous prime is 77740739. The next prime is 77740753. The reversal of 77740741 is 14704777.

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

It is not a de Polignac number, because 77740741 - 2¹ = 77740739 is a prime.

It is a super-2 number, since 2×77740741² = 12087245622458162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77740741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77740721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991 + ... + 12508.

It is an arithmetic number, because the mean of its divisors is an integer number (10489500).

Almost surely, 2^77740741 is an apocalyptic number.

It is an amenable number.

77740741 is a deficient number, since it is larger than the sum of its proper divisors (6175259).

77740741 is a wasteful number, since it uses less digits than its factorization.

77740741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13955.

The product of its (nonzero) digits is 38416, while the sum is 37.

The square root of 77740741 is about 8817.0709989202. The cubic root of 77740741 is about 426.7919558679.

The spelling of 77740741 in words is "seventy-seven million, seven hundred forty thousand, seven hundred forty-one".