77450046 has 16 divisors (see below), whose sum is σ = 154995600. Its totient is φ = 25800768.

The previous prime is 77450033. The next prime is 77450047. The reversal of 77450046 is 64005477.

It is a junction number, because it is equal to n+sod(n) for n = 77449989 and 77450016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77450047) 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, 10770 + ... + 16458.

It is an arithmetic number, because the mean of its divisors is an integer number (9687225).

Almost surely, 2^77450046 is an apocalyptic number.

77450046 is an abundant number, since it is smaller than the sum of its proper divisors (77545554).

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

77450046 is a wasteful number, since it uses less digits than its factorization.

77450046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 77450046 is about 8800.5707769440. The cubic root of 77450046 is about 426.2593254525.

The spelling of 77450046 in words is "seventy-seven million, four hundred fifty thousand, forty-six".