70372541 has 2 divisors, whose sum is σ = 70372542. Its totient is φ = 70372540.

The previous prime is 70372501. The next prime is 70372559. The reversal of 70372541 is 14527307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63664441 + 6708100 = 7979^2 + 2590^2 .

It is a cyclic number.

It is not a de Polignac number, because 70372541 - 2¹⁴ = 70356157 is a prime.

It is a Chen prime.

It is equal to p_4138706 and since 70372541 and 4138706 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70372501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35186270 + 35186271.

It is an arithmetic number, because the mean of its divisors is an integer number (35186271).

Almost surely, 2^70372541 is an apocalyptic number.

It is an amenable number.

70372541 is a deficient number, since it is larger than the sum of its proper divisors (1).

70372541 is an equidigital number, since it uses as much as digits as its factorization.

70372541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 70372541 is about 8388.8343051940. The cubic root of 70372541 is about 412.8583547701.

Adding to 70372541 its reverse (14527307), we get a palindrome (84899848).

The spelling of 70372541 in words is "seventy million, three hundred seventy-two thousand, five hundred forty-one".