70778996 has 24 divisors (see below), whose sum is σ = 126433440. Its totient is φ = 34659872.

The previous prime is 70778993. The next prime is 70778999. The reversal of 70778996 is 69987707.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70778993) and next prime (70778999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70778993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104210 + ... + 104886.

It is an arithmetic number, because the mean of its divisors is an integer number (5268060).

Almost surely, 2^70778996 is an apocalyptic number.

It is an amenable number.

70778996 is a deficient number, since it is larger than the sum of its proper divisors (55654444).

70778996 is a wasteful number, since it uses less digits than its factorization.

70778996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 53.

The square root of 70778996 is about 8413.0253773539. The cubic root of 70778996 is about 413.6516864648.

The spelling of 70778996 in words is "seventy million, seven hundred seventy-eight thousand, nine hundred ninety-six".