77012046 has 48 divisors (see below), whose sum is σ = 174091008. Its totient is φ = 25515000.

The previous prime is 77012041. The next prime is 77012053. The reversal of 77012046 is 64021077.

It is a super-2 number, since 2×77012046² = 11861710458212232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77012041) 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 23 ways as a sum of consecutive naturals, for example, 102171 + ... + 102921.

It is an arithmetic number, because the mean of its divisors is an integer number (3626896).

Almost surely, 2^77012046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77012046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87045504).

77012046 is an abundant number, since it is smaller than the sum of its proper divisors (97078962).

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

77012046 is a wasteful number, since it uses less digits than its factorization.

77012046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 77012046 is about 8775.6507451015. The cubic root of 77012046 is about 425.4542704409.

The spelling of 77012046 in words is "seventy-seven million, twelve thousand, forty-six".