70653437 has 2 divisors, whose sum is σ = 70653438. Its totient is φ = 70653436.

The previous prime is 70653431. The next prime is 70653463. The reversal of 70653437 is 73435607.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68128516 + 2524921 = 8254^2 + 1589^2 .

It is a cyclic number.

It is not a de Polignac number, because 70653437 - 2⁴ = 70653421 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70653397 and 70653406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70653431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35326718 + 35326719.

It is an arithmetic number, because the mean of its divisors is an integer number (35326719).

Almost surely, 2^70653437 is an apocalyptic number.

It is an amenable number.

70653437 is a deficient number, since it is larger than the sum of its proper divisors (1).

70653437 is an equidigital number, since it uses as much as digits as its factorization.

70653437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 70653437 is about 8405.5598861706. The cubic root of 70653437 is about 413.4069413798.

The spelling of 70653437 in words is "seventy million, six hundred fifty-three thousand, four hundred thirty-seven".