49000070 has 16 divisors (see below), whose sum is σ = 100800288. Its totient is φ = 16800000.

The previous prime is 49000033. The next prime is 49000073. The reversal of 49000070 is 7000094.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49000073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349931 + ... + 350070.

It is an arithmetic number, because the mean of its divisors is an integer number (6300018).

Almost surely, 2^49000070 is an apocalyptic number.

49000070 is an abundant number, since it is smaller than the sum of its proper divisors (51800218).

49000070 is a wasteful number, since it uses less digits than its factorization.

49000070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700015.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 49000070 is about 7000.0049999982. The cubic root of 49000070 is about 365.9307452549.

Subtracting from 49000070 its sum of digits (20), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 49000070 in words is "forty-nine million, seventy", and thus it is an aban number and an uban number.