49999970 has 16 divisors (see below), whose sum is σ = 92093760.
Its totient is φ = 19534704.
The previous prime is 49999921. The next prime is 49999991. The reversal of 49999970 is 7999994.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57710 + ... + 58569.
It is an arithmetic number, because the mean of its divisors is an integer number (5755860).
Almost surely, 249999970 is an apocalyptic number.
49999970 is a deficient number, since it is larger than the sum of its proper divisors (42093790).
49999970 is a wasteful number, since it uses less digits than its factorization.
49999970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116329.
The product of its (nonzero) digits is 1653372, while the sum is 56.
The square root of 49999970 is about 7071.0656905448.
The cubic root of 49999970 is about 368.4030761834.
The spelling of 49999970 in words is "forty-nine million, nine hundred ninety-nine thousand, nine hundred seventy".