77374071 has 12 divisors (see below), whose sum is σ = 114362248. Its totient is φ = 50382864.

The previous prime is 77374057. The next prime is 77374091. The reversal of 77374071 is 17047377.

It is not a de Polignac number, because 77374071 - 2¹⁰ = 77373047 is a prime.

It is a super-2 number, since 2×77374071² = 11973493726226082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77374091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99580 + ... + 100353.

Almost surely, 2^77374071 is an apocalyptic number.

77374071 is a deficient number, since it is larger than the sum of its proper divisors (36988177).

77374071 is a wasteful number, since it uses less digits than its factorization.

77374071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199982 (or 199979 counting only the distinct ones).

The product of its (nonzero) digits is 28812, while the sum is 36.

The square root of 77374071 is about 8796.2532364638. The cubic root of 77374071 is about 426.1198994649.

The spelling of 77374071 in words is "seventy-seven million, three hundred seventy-four thousand, seventy-one".