77250006 has 48 divisors (see below), whose sum is σ = 182037024. Its totient is φ = 23576832.

The previous prime is 77249993. The next prime is 77250007. The reversal of 77250006 is 60005277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77250007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7911 + ... + 14733.

It is an arithmetic number, because the mean of its divisors is an integer number (3792438).

Almost surely, 2^77250006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77250006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91018512).

77250006 is an abundant number, since it is smaller than the sum of its proper divisors (104787018).

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

77250006 is a wasteful number, since it uses less digits than its factorization.

77250006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6885 (or 6882 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 77250006 is about 8789.1982569515. The cubic root of 77250006 is about 425.8920244760.

The spelling of 77250006 in words is "seventy-seven million, two hundred fifty thousand, six".