740622778 has 16 divisors (see below), whose sum is σ = 1284937920. Its totient is φ = 313585056.

The previous prime is 740622769. The next prime is 740622787. The reversal of 740622778 is 877226047.

It is an interprime number because it is at equal distance from previous prime (740622769) and next prime (740622787).

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, 317523 + ... + 319846.

It is an arithmetic number, because the mean of its divisors is an integer number (80308620).

Almost surely, 2^740622778 is an apocalyptic number.

740622778 is a deficient number, since it is larger than the sum of its proper divisors (544315142).

740622778 is a wasteful number, since it uses less digits than its factorization.

740622778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637461.

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 740622778 is about 27214.3854973799. The cubic root of 740622778 is about 904.7578396273.

The spelling of 740622778 in words is "seven hundred forty million, six hundred twenty-two thousand, seven hundred seventy-eight".