49691070 has 216 divisors, whose sum is σ = 159469128. Its totient is φ = 11119680.

The previous prime is 49691041. The next prime is 49691071. The reversal of 49691070 is 7019694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49691071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 3822384 + ... + 3822396.

It is an arithmetic number, because the mean of its divisors is an integer number (738283).

Almost surely, 2^49691070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49691070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79734564).

49691070 is an abundant number, since it is smaller than the sum of its proper divisors (109778058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49691070 is a wasteful number, since it uses less digits than its factorization.

49691070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 49691070 is about 7049.1893150915. The cubic root of 49691070 is about 367.6428432633.

The spelling of 49691070 in words is "forty-nine million, six hundred ninety-one thousand, seventy".