70550398 has 4 divisors (see below), whose sum is σ = 105825600. Its totient is φ = 35275198.

The previous prime is 70550393. The next prime is 70550411. The reversal of 70550398 is 89305507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89305507 = 401 ⋅222707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70550393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17637598 + ... + 17637601.

It is an arithmetic number, because the mean of its divisors is an integer number (26456400).

Almost surely, 2^70550398 is an apocalyptic number.

70550398 is a deficient number, since it is larger than the sum of its proper divisors (35275202).

70550398 is a wasteful number, since it uses less digits than its factorization.

70550398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35275201.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 70550398 is about 8399.4284329352. The cubic root of 70550398 is about 413.2058765584.

The spelling of 70550398 in words is "seventy million, five hundred fifty thousand, three hundred ninety-eight".