772140402 has 24 divisors (see below), whose sum is σ = 1825059600. Its totient is φ = 233981880.

The previous prime is 772140401. The next prime is 772140403. The reversal of 772140402 is 204041277.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (772140401) and next prime (772140403).

It is not an unprimeable number, because it can be changed into a prime (772140401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1949652 + ... + 1950047.

It is an arithmetic number, because the mean of its divisors is an integer number (76044150).

Almost surely, 2^772140402 is an apocalyptic number.

772140402 is an abundant number, since it is smaller than the sum of its proper divisors (1052919198).

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

772140402 is a wasteful number, since it uses less digits than its factorization.

772140402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899718 (or 3899715 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 772140402 is about 27787.4144533096. The cubic root of 772140402 is about 917.4141319952.

Adding to 772140402 its reverse (204041277), we get a palindrome (976181679).

The spelling of 772140402 in words is "seven hundred seventy-two million, one hundred forty thousand, four hundred two".