770740042 has 16 divisors (see below), whose sum is σ = 1199480832. Its totient is φ = 371039760.

The previous prime is 770740027. The next prime is 770740057. The reversal of 770740042 is 240047077.

It is an interprime number because it is at equal distance from previous prime (770740027) and next prime (770740057).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 770739986 and 770740013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19338 + ... + 43765.

It is an arithmetic number, because the mean of its divisors is an integer number (74967552).

Almost surely, 2^770740042 is an apocalyptic number.

770740042 is a deficient number, since it is larger than the sum of its proper divisors (428740790).

770740042 is a wasteful number, since it uses less digits than its factorization.

770740042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63333.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 770740042 is about 27762.2052798404. The cubic root of 770740042 is about 916.8591865097.

The spelling of 770740042 in words is "seven hundred seventy million, seven hundred forty thousand, forty-two".