70420741 has 2 divisors, whose sum is σ = 70420742. Its totient is φ = 70420740.

The previous prime is 70420709. The next prime is 70420751. The reversal of 70420741 is 14702407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61952641 + 8468100 = 7871^2 + 2910^2 .

It is a cyclic number.

It is not a de Polignac number, because 70420741 - 2⁵ = 70420709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70420751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35210370 + 35210371.

It is an arithmetic number, because the mean of its divisors is an integer number (35210371).

Almost surely, 2^70420741 is an apocalyptic number.

It is an amenable number.

70420741 is a deficient number, since it is larger than the sum of its proper divisors (1).

70420741 is an equidigital number, since it uses as much as digits as its factorization.

70420741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 70420741 is about 8391.7066798119. The cubic root of 70420741 is about 412.9525924318.

The spelling of 70420741 in words is "seventy million, four hundred twenty thousand, seven hundred forty-one".