70902401 has 4 divisors (see below), whose sum is σ = 70968132. Its totient is φ = 70836672.

The previous prime is 70902383. The next prime is 70902409. The reversal of 70902401 is 10420907.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10420907 = 7 ⋅1488701.

It can be written as a sum of positive squares in 2 ways, for example, as 29170801 + 41731600 = 5401^2 + 6460^2 .

It is a cyclic number.

It is not a de Polignac number, because 70902401 - 2²² = 66708097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70902409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31220 + ... + 33413.

It is an arithmetic number, because the mean of its divisors is an integer number (17742033).

Almost surely, 2^70902401 is an apocalyptic number.

It is an amenable number.

70902401 is a deficient number, since it is larger than the sum of its proper divisors (65731).

70902401 is a wasteful number, since it uses less digits than its factorization.

70902401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65730.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 70902401 is about 8420.3563463787. The cubic root of 70902401 is about 413.8919510012.

The spelling of 70902401 in words is "seventy million, nine hundred two thousand, four hundred one".