70737983 has 2 divisors, whose sum is σ = 70737984. Its totient is φ = 70737982.

The previous prime is 70737973. The next prime is 70738009. The reversal of 70737983 is 38973707.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70737983 - 2⁸ = 70737727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70737973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35368991 + 35368992.

It is an arithmetic number, because the mean of its divisors is an integer number (35368992).

Almost surely, 2^70737983 is an apocalyptic number.

70737983 is a deficient number, since it is larger than the sum of its proper divisors (1).

70737983 is an equidigital number, since it uses as much as digits as its factorization.

70737983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 70737983 is about 8410.5875537919. The cubic root of 70737983 is about 413.5717739886.

The spelling of 70737983 in words is "seventy million, seven hundred thirty-seven thousand, nine hundred eighty-three".