70490054 has 4 divisors (see below), whose sum is σ = 105735084. Its totient is φ = 35245026.

The previous prime is 70490027. The next prime is 70490059. The reversal of 70490054 is 45009407.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70489999 and 70490026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70490059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17622512 + ... + 17622515.

It is an arithmetic number, because the mean of its divisors is an integer number (26433771).

Almost surely, 2^70490054 is an apocalyptic number.

70490054 is a deficient number, since it is larger than the sum of its proper divisors (35245030).

70490054 is a wasteful number, since it uses less digits than its factorization.

70490054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35245029.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 70490054 is about 8395.8355153016. The cubic root of 70490054 is about 413.0880335762.

The spelling of 70490054 in words is "seventy million, four hundred ninety thousand, fifty-four".