70923797 has 4 divisors (see below), whose sum is σ = 81055776. Its totient is φ = 60791820.

The previous prime is 70923791. The next prime is 70923803. The reversal of 70923797 is 79732907.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (70923791) and next prime (70923803).

It is a cyclic number.

It is not a de Polignac number, because 70923797 - 2¹⁰ = 70922773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70923791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5065979 + ... + 5065992.

It is an arithmetic number, because the mean of its divisors is an integer number (20263944).

Almost surely, 2^70923797 is an apocalyptic number.

It is an amenable number.

70923797 is a deficient number, since it is larger than the sum of its proper divisors (10131979).

70923797 is a wasteful number, since it uses less digits than its factorization.

70923797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10131978.

The product of its (nonzero) digits is 166698, while the sum is 44.

The square root of 70923797 is about 8421.6267430942. The cubic root of 70923797 is about 413.9335797822.

The spelling of 70923797 in words is "seventy million, nine hundred twenty-three thousand, seven hundred ninety-seven".