77422052 has 6 divisors (see below), whose sum is σ = 135488598. Its totient is φ = 38711024.

The previous prime is 77422031. The next prime is 77422057. The reversal of 77422052 is 25022477.

It can be written as a sum of positive squares in only one way, i.e., 77334436 + 87616 = 8794^2 + 296^2 .

It is not an unprimeable number, because it can be changed into a prime (77422057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9677753 + ... + 9677760.

It is an arithmetic number, because the mean of its divisors is an integer number (22581433).

Almost surely, 2^77422052 is an apocalyptic number.

It is an amenable number.

77422052 is a deficient number, since it is larger than the sum of its proper divisors (58066546).

77422052 is a wasteful number, since it uses less digits than its factorization.

77422052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19355517 (or 19355515 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 77422052 is about 8798.9801681786. The cubic root of 77422052 is about 426.2079627048.

The spelling of 77422052 in words is "seventy-seven million, four hundred twenty-two thousand, fifty-two".