77474094 has 16 divisors (see below), whose sum is σ = 156546768. Its totient is φ = 25558272.

The previous prime is 77474093. The next prime is 77474101. The reversal of 77474094 is 49047477.

It is a super-2 number, since 2×77474094² = 12004470482241672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77474093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65977 + ... + 67140.

It is an arithmetic number, because the mean of its divisors is an integer number (9784173).

Almost surely, 2^77474094 is an apocalyptic number.

77474094 is an abundant number, since it is smaller than the sum of its proper divisors (79072674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77474094 is a wasteful number, since it uses less digits than its factorization.

77474094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133219.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 77474094 is about 8801.9369459228. The cubic root of 77474094 is about 426.3034382884.

The spelling of 77474094 in words is "seventy-seven million, four hundred seventy-four thousand, ninety-four".