719910642 has 32 divisors (see below), whose sum is σ = 1575777600. Its totient is φ = 217451520.

The previous prime is 719910641. The next prime is 719910661. The reversal of 719910642 is 246019917.

It is a self number, because there is not a number n which added to its sum of digits gives 719910642.

It is not an unprimeable number, because it can be changed into a prime (719910641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3234 + ... + 38082.

It is an arithmetic number, because the mean of its divisors is an integer number (49243050).

Almost surely, 2^719910642 is an apocalyptic number.

719910642 is an abundant number, since it is smaller than the sum of its proper divisors (855866958).

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

719910642 is a wasteful number, since it uses less digits than its factorization.

719910642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35178.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 719910642 is about 26831.1505903120. The cubic root of 719910642 is about 896.2438691325.

The spelling of 719910642 in words is "seven hundred nineteen million, nine hundred ten thousand, six hundred forty-two".