70454737 has 2 divisors, whose sum is σ = 70454738. Its totient is φ = 70454736.

The previous prime is 70454731. The next prime is 70454759. The reversal of 70454737 is 73745407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38825361 + 31629376 = 6231^2 + 5624^2 .

It is an emirp because it is prime and its reverse (73745407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70454737 - 2⁷ = 70454609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70454696 and 70454705.

It is not a weakly prime, because it can be changed into another prime (70454731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35227368 + 35227369.

It is an arithmetic number, because the mean of its divisors is an integer number (35227369).

Almost surely, 2^70454737 is an apocalyptic number.

It is an amenable number.

70454737 is a deficient number, since it is larger than the sum of its proper divisors (1).

70454737 is an equidigital number, since it uses as much as digits as its factorization.

70454737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 70454737 is about 8393.7320066821. The cubic root of 70454737 is about 413.0190334530.

The spelling of 70454737 in words is "seventy million, four hundred fifty-four thousand, seven hundred thirty-seven".